Solving Multi-Step and Literal Equations

Joseph, Ben, and Peyton solved the same equation but got different answers. Who is correct?

• Joseph

• Ben

• Peyton

Tags

CCSS.8.EE.C.7A

What is the first step to solve this equation?
3x + 6 = 10 + 3x + 4x

• Add 4x to both sides of the equation

• Combine like terms 3x and 4x on the same side of the equation

• Add 3x and 6 to get 9x

• Add 6 and 10 to get 16

Isolating a variable in a literal equation requires the use of ______ to undo the operations connected to it.

• an eraser

• inverse operations

• apps that solve it for you

Tags

CCSS.HSA.CED.A.4

Is the solution below correct?

5d = 2d - 18

-2d -2d

3d = -18

d = 6

• Yes

• No

Tags

CCSS.8.EE.C.7B

What is the value of t that satisfies the equation?

• 10
  

• 11

Tags

CCSS.8.EE.C.7B

• 1.5

• 6

• -6

• -1.5

Tags

CCSS.8.EE.C.7B

Solve for x

• 35

• 3.5

• 0.35

• -35

Michael borrows money from his uncle, who is charging him simple interest using the formula I=Pr. To figure out what the interest rate, r, is, Michael rearranges the formula to find r. His new formula is r equals

Tags

CCSS.HSA.CED.A.4

Solve for x:
ax - b = c+d

• x = a(c + d + b) 

• x = (c + d) / (a-b) 

• x = a / (c + b + d)

• x= (c + b + d)/a

Tags

CCSS.HSA.REI.B.3

Solve for y:
5x - y = 16

• -y = 5x + 16

• y = 5x + 16

• x = 5y - 16

• y = 5x - 16

Tags

CCSS.6.EE.C.9